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Windows 7: Just a Few Internet Issues

Actually, I'm not sure what to classify the problem as. Wireless, wifi, internet, connectivity...just pick whichever one best fits.

That aside, with the help of some friends I have successfully built a new computer and I currently use windows 7 as the operating system. For the first few days I could connect to the internet without an issue using a Rosewill RNX-N300X PCI wireless adapter with the most recent drivers and chipsets. However, for the past two days my internet speed on my new computer has plummeted from 10-15Mbps to now only 30kbps. Google after google of common problems with windows 7, wireless adapters and internet troubleshooting brought me no salvation. In safe mode, though, my download speed goes back to 14Mbps. From what I've read, this should mean that the issue is not one relating to drivers. I've also flushed my DNS (whatever that means), edited my startup programs (even with them all turned off I still cannot get anywhere near the speed I get in safe mode), turned off Ipv6 connections, and ran many antivirus scans to no avail. I believe the connection issue lies only with the new desktop and not our router, as 2 laptops running vista, 1 laptop running xp, and 1 desktop running vista can all connect fine.

Another odd quirk that happens sometimes is that the desktop will disconnect from the internet and reconnect, only to disconnect 10 seconds later. This will happen for a few minutes at random, mostly during the evening. And just to pile on some more problems, during the few times that I can get a reasonable connection (around 2-3Mbps) if my brother uses his laptop to connect to the internet; my download speed plummets or disconnects entirely. However, I can connect my own laptop to the internet without disrupting what pathetic connection my desktop has. Go figure

So now I have come to you fine folk over here at sevenforums to help me out. If it helps, my build consists of the following: Intel core i5 750, Gigabyte ga p55, radeon 5770, 4GB ram

Have you tried removing the card completely, uninstalling the driver software, then installing the card and drivers? Also, have you tried creating a new user and testing to see if you still have speed issues?

Also, after completing the above suggested tasks, go into Network & Sharing and select Change Adapter Settings on the top0right section of your screen. Right-click your adapter and select Properties. Then select Configure. You should have some sort of diagnostic to test your speed and adjust your adapters settings. See if it allows you to run a Diagnostic and create a log file and post that if you tinker around with your settings and are still having these problems.

I took out the adapter, uninstalled the driver, installed the adapter and re-installed the driver and no dice. Also, I used another account and the connection was not any better than on my main account.

Have you tried using different channels on your router? There might be an interference issue. Also, you could try uninstalling those drivers (make sure to check the "delete files" box during the uninstall) and then letting Windows find and install the drivers from Windows Update. I read on Newegg that some people never installed any drivers from the CD and have no issues whatsoever with dropouts.

The manual that came with your router should explain how to change channels. When you change channels, your other wireless computers will find the new channels automatically. If not, a simple reboot will do it.

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